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A210989
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Number of one-sided polyominoes with 2n-1 cells.
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3
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1, 2, 18, 196, 2500, 33896, 476270, 6849777, 100203194, 1485200848, 22245940545, 336093325058, 5114451441106, 78306011677182, 1205243866707468, 18635412907198670, 289296535756895985, 4506983054619138245, 70436637624668665265
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,2
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LINKS
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Eric Weisstein's World of Mathematics, Polyomino
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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